Apr. 29, 2014. Debris from Mayflower RV is pictured strewn around in Mayflower, Arkansas. A storm system that killed more than 20 people continued its march across a large swath of the U.S. Southeast on Tuesday, packing baseball-sized hail, damaging winds and the threat of more tornados, meteorologists said.Carlo Allegri—Reuters

Apr. 29, 2014. Debris from Mayflower RV is pictured strewn around in Mayflower, Arkansas. A storm system that killed mo